Home / 15,756.50-21,744.24-10,177.22

Finding the Fourth Proportional to 15,756.50, 21,744.24 and 10,177.22

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Solution

The fourth proportional to 15,756.50, 21,744.24 and 10,177.22 is: 14,044.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,756.50 : 21,744.24 = 10,177.22 : x
  2. Step 2: Convert to fraction form
    15,756.50/21,744.24 = 10,177.22/x
  3. Step 3: Cross multiply
    15,756.50x = 21,744.24 × 10,177.22
  4. Step 4: Simplify right side
    15,756.50x = 221,295,914.21
  5. Step 5: Solve for x
    x = 221,295,914.21/15,756.50
  6. Step 6: Final answer
    x = 14,044.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.